condition	mean	min	max
0 h after light	6.4768550000000005	6.20902	6.74469
4 h after light	5.471780000000001	5.41185	5.53171
8 h after light	4.45817	3.88362	5.03272
4 h after dark	6.36928	5.58376	7.1548
8 h after dark	6.09939	5.0522	7.14658
12 h after dark	6.689385	6.43102	6.94775